Commit | Line | Data |
---|---|---|
be245fda | 1 | import { isMainThread } from 'node:worker_threads'; |
b8da29bc | 2 | |
be245fda | 3 | import type { ThreadPoolOptions } from 'poolifier'; |
8114d10e | 4 | |
268a74bb JB |
5 | import type { WorkerAbstract } from './WorkerAbstract'; |
6 | import { WorkerConstants } from './WorkerConstants'; | |
7 | import { WorkerDynamicPool } from './WorkerDynamicPool'; | |
8 | import { WorkerSet } from './WorkerSet'; | |
9 | import { WorkerStaticPool } from './WorkerStaticPool'; | |
10 | import { type WorkerData, type WorkerOptions, WorkerProcessType } from './WorkerTypes'; | |
6013bc53 | 11 | |
268a74bb | 12 | export class WorkerFactory { |
6c3cfef8 JB |
13 | private constructor() { |
14 | // This is intentional | |
15 | } | |
8df3f0a9 | 16 | |
e7aeea18 JB |
17 | public static getWorkerImplementation<T extends WorkerData>( |
18 | workerScript: string, | |
19 | workerProcessType: WorkerProcessType, | |
20 | workerOptions?: WorkerOptions | |
21 | ): WorkerAbstract<T> | null { | |
ded13d97 | 22 | if (!isMainThread) { |
44a95b7f | 23 | throw new Error('Cannot get a worker implementation outside the main thread'); |
ded13d97 | 24 | } |
abe9e9dd | 25 | workerOptions = workerOptions ?? ({} as WorkerOptions); |
e7aeea18 | 26 | workerOptions.workerStartDelay = |
3fa0f0ed | 27 | workerOptions?.workerStartDelay ?? WorkerConstants.DEFAULT_WORKER_START_DELAY; |
e7aeea18 | 28 | workerOptions.elementStartDelay = |
3fa0f0ed | 29 | workerOptions?.elementStartDelay ?? WorkerConstants.DEFAULT_ELEMENT_START_DELAY; |
be245fda | 30 | workerOptions.poolOptions = workerOptions?.poolOptions ?? ({} as ThreadPoolOptions); |
1895299d | 31 | let workerImplementation: WorkerAbstract<T> | null = null; |
535aaa27 | 32 | switch (workerProcessType) { |
721646e9 | 33 | case WorkerProcessType.workerSet: |
e7aeea18 | 34 | workerOptions.elementsPerWorker = |
3fa0f0ed | 35 | workerOptions?.elementsPerWorker ?? WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER; |
d070d967 | 36 | workerImplementation = new WorkerSet(workerScript, workerOptions); |
535aaa27 | 37 | break; |
721646e9 | 38 | case WorkerProcessType.staticPool: |
e7aeea18 | 39 | workerOptions.poolMaxSize = |
3fa0f0ed | 40 | workerOptions?.poolMaxSize ?? WorkerConstants.DEFAULT_POOL_MAX_SIZE; |
d070d967 | 41 | workerImplementation = new WorkerStaticPool(workerScript, workerOptions); |
535aaa27 | 42 | break; |
721646e9 | 43 | case WorkerProcessType.dynamicPool: |
e7aeea18 | 44 | workerOptions.poolMinSize = |
3fa0f0ed | 45 | workerOptions?.poolMinSize ?? WorkerConstants.DEFAULT_POOL_MIN_SIZE; |
e7aeea18 | 46 | workerOptions.poolMaxSize = |
3fa0f0ed | 47 | workerOptions?.poolMaxSize ?? WorkerConstants.DEFAULT_POOL_MAX_SIZE; |
d070d967 | 48 | workerImplementation = new WorkerDynamicPool(workerScript, workerOptions); |
535aaa27 | 49 | break; |
fb226c9b | 50 | default: |
3fa0f0ed | 51 | // eslint-disable-next-line @typescript-eslint/restrict-template-expressions |
fb226c9b | 52 | throw new Error(`Worker implementation type '${workerProcessType}' not found`); |
6013bc53 | 53 | } |
535aaa27 | 54 | return workerImplementation; |
6013bc53 JB |
55 | } |
56 | } |